NTK Premium Bluetooth 360 Degree Rotate Bluetooth Keyboard Protective Stand Case for iPad 2 White New in Box Built In Wireless Bluetooth 2.0 Plastic/Silicone Soft Touch Keyboard Built-in Lithium Lion Battery Capacity: 500 mAh Standby time: 60 Days/ Uninterrupted Working time: 40 Hours/ Fully Charged in 3~3.5 Hours Premium Soft Touch Finish/ Customized Fit for Apple iPad 2 Ultra Low Profile=Easy to Carry Around 360 Degree Rotatable Stand Case for iPad 2/Easily Connect to Bluetooth